CN216580677U

CN216580677U - Steering column with adjustable length

Info

Publication number: CN216580677U
Application number: CN202123315098.4U
Authority: CN
Inventors: 周裕; 贾澍; 李婷; 欧阳柳
Original assignee: Jilin Shibao Machinery Manufacturing Co ltd
Current assignee: Jilin Shibao Machinery Manufacturing Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-24
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a steering column of adjustable length, including the inner column pipe, aluminum hull, fixed bolster and length adjustment subassembly, install the fixed bolster on the car, the one end and the steering wheel of inner column pipe are connected, the other end passes through the jackshaft and is connected with the steering gear, when the distance between steering wheel and the driver is adjusted to needs, adjustment button can be pressed, adjustment button control length adjustment motor starts, the length adjustment lead screw rotates, it moves along preceding or rear direction to drive length adjustment slider, length adjustment slider drives length adjustment support and moves along preceding or rear direction, because length adjustment support is with inner column pipe fixed connection, the inner column pipe is under its drive along preceding or rear direction motion, thereby the distance between steering wheel and the driver has been adjusted.

Description

Steering column with adjustable length

Technical Field

The utility model belongs to the technical field of the car, especially, relate to a steering column of adjustable length.

Background

The steering column is used for connecting a steering wheel and a steering mechanism of a steering gear and plays a role in bearing up and down. The power assisting device can provide power assisting while transmitting torque, and converts input torque of a steering wheel into movement of a gear rack, so that the movement direction of a vehicle is controlled.

With the improvement of living conditions of people, the number of vehicles used increases year by year, the configuration of the vehicles is updated day by day according to the driving experience of drivers and the progress of scientific technology, and research and development which are carried out aiming at the adjustability of the length of a steering column are necessary in order to meet the requirements of different drivers and passengers on different distances between a steering wheel and a body.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the background art, the utility model provides a steering column of adjustable length.

The technical scheme of the utility model as follows:

a steering column with adjustable length comprises an inner column tube, an aluminum shell, a fixing support and a length adjusting assembly, wherein the fixing support is arranged below and on two sides of the aluminum shell, the length adjusting assembly comprises a length adjusting motor, the length adjusting motor is fixedly arranged at the tail end of one side of the fixing support through a motor pin shaft, an output shaft of the length adjusting motor is connected with a length adjusting lead screw, a length adjusting slide block is in threaded connection with the length adjusting lead screw, a length adjusting support is sleeved on the length adjusting slide block and penetrates through a support moving groove formed in the side face of the upper end of the aluminum shell, a protruding sliding rail is formed in the length adjusting support, an adjusting support limiting hole and an adjusting support mounting hole are formed in the sliding rail, a countersunk screw is inserted into the adjusting support mounting hole to mount the sliding rail on the inner column tube, the adjustable support is characterized in that a limiting bolt is installed in the limiting hole of the adjusting support, the head of the limiting bolt is located in a bolt moving groove formed in the upper end of the aluminum shell, a plastic guide strip is slidably installed on the sliding rail, a cylindrical positioning block is arranged at the upper end of the plastic guide strip, the plastic guide strip is clamped in the aluminum shell and limited by the cylindrical positioning block and a baffle, and the baffle is fixedly installed at the upper end of the aluminum shell through the bolt.

As the utility model discloses a preferred, the length adjustment slider has the arc upper end, the circular spacing hole has been seted up on the length adjustment support, and the arc upper end setting of length adjustment slider is in the circular spacing hole of length adjustment support, and wherein the both sides arc position of arc upper end closely cooperates with circular spacing hole.

As the utility model discloses a preferred, in length adjustment slider's the lower extreme joint L type backup pad, the fix with screw is passed through on the length adjustment support in the upper end of L type backup pad, offers the draw-in groove that is used for joint length adjustment slider on the lower terminal surface of L type backup pad.

As the utility model discloses a preferred, the plastics gib block is the n style of calligraphy, the both sides processing of plastics gib block has the arch, and plastics gib block is inside to draw to one side has the strengthening rib.

As the utility model discloses a preferred, be provided with in the baffle and add the muscle ring.

The utility model has the advantages as follows:

(1) the utility model provides a but length-adjusting's steering column utilizes the interior pillar pipe of length adjustment motor drive to carry out the up-and-down motion along aluminium casing, and the demand of modern life is satisfied in the intelligent setting.

(2) The utility model provides a steering column of adjustable length, through the cooperation between slide rail and the plastics gib block on the length adjustment support, because the plastics gib block is installed at aluminium casing internal fixation, so the plastics gib block has the effect of direction to the slide rail, for the stability of guaranteeing in the accommodation process.

(3) The utility model provides a but length-adjusting's steering column, the arch of plastics gib block both sides processing can guarantee between its and the aluminium casing more firm of coordination, the baffle of upper end further has guaranteed the stability of its direction in-process.

(4) The utility model provides a steering column of adjustable length, wherein length adjustment slider closely cooperates with the length adjustment support to support length adjustment slider through L type backup pad, guaranteed the removal that length adjustment slider can be stable on the length adjustment lead screw.

(5) The utility model provides a but length-adjusting's steering column, through the restriction of spacing bolt in the bolt shifting chute, mechanical injects the displacement range of inner tube, the dangerous condition that brings when preventing length adjustment motor situation.

Drawings

Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural view of the plastic guide strip of the present invention.

Fig. 4 is another angle structure diagram of fig. 3.

Fig. 5 is a schematic structural view of the middle length adjusting bracket of the present invention.

Wherein the reference numerals are: the device comprises an inner column tube 1, an aluminum shell 2, a fixing support 3, a length adjusting component, a motor pin shaft 5, a countersunk screw 6, a limiting bolt 7, a support moving groove 21, a bolt moving groove 22, a length adjusting motor 41, a length adjusting screw 42, a length adjusting slider 43, a length adjusting support 44, a sliding rail 441, an adjusting support limiting hole 442, an adjusting support mounting hole 443, a circular limiting hole 444, a plastic guide strip 45, a cylindrical positioning block 451, a protrusion 452, a reinforcing rib 453, a baffle 46, a reinforcing rib ring 461 and an L-shaped supporting plate 47.

Detailed Description

In order to make the technical solutions and advantages of the present invention better understood by those skilled in the art, the present invention is described in detail below with reference to the accompanying drawings, but the present invention is not limited thereto.

In the description of the present application, it should be noted that the terms "in", "under", and the like indicate the orientation or positional relationship: the particular arrangements or components shown in the drawings, or the orientations or positional relationships conventionally used in the manufacture of the applications, are for convenience only and to simplify the description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Referring to fig. 1 and 2: a steering column with adjustable length comprises an inner column tube 1, an aluminum shell 2, a fixing support 3 and a length adjusting component, wherein the fixing support 3 is arranged below and at two sides of the aluminum shell 2, the length adjusting component comprises a length adjusting motor 41, the length adjusting motor 41 is fixedly arranged at the tail end of one side of the fixing support 3 through a motor pin shaft 5, an output shaft of the length adjusting motor 41 is connected with a length adjusting lead screw 42, a length adjusting slide block 43 is in threaded connection with the length adjusting lead screw 42, a length adjusting support 44 is sleeved on the length adjusting slide block 43, the length adjusting support 44 penetrates through a support moving groove 21 formed in the side surface of the upper end of the aluminum shell 2, a protruding slide rail 441 (refer to figure 5) is arranged on the length adjusting support 44, an adjusting support limiting hole 442 and an adjusting support mounting hole 443 are formed in the slide rail 441, countersunk screw 6 inserts behind the regulation support mounting hole 443 install slide rail 441 on inner column pipe 1, install limit bolt 7 in regulation support spacing hole 442, the head of limit bolt 7 is in the bolt shifting chute 22 that the aluminum hull 2 upper end was seted up, slidable mounting has plastics gib block 45 on the slide rail 441 (refer to fig. 3 and fig. 4), plastics gib block 45 upper end is provided with cylinder locating piece 451, plastics gib block 45 joint is in aluminum hull 2, plastics gib block 45 is the n style of calligraphy, the both sides processing of plastics gib block 45 has protruding 452, and plastics gib block 45 is inside to draw to one side has strengthening rib 453, plastics gib block 45 is spacing through cylinder locating piece 451 and baffle 46, baffle 46 passes through bolt fixed mounting in aluminum hull 2 upper end, be provided with in the baffle 46 and add muscle ring 461.

With continuing reference to FIGS. 1 and 2: the length adjusting slide block 43 has an arc-shaped upper end portion, the length adjusting bracket 44 is provided with a circular limiting hole 444 (see fig. 5), the arc-shaped upper end portion of the length adjusting slide block 43 is arranged in the circular limiting hole 444 of the length adjusting bracket 44, wherein the arc-shaped positions at both sides of the arc-shaped upper end portion are tightly matched with the circular limiting hole 444;

the lower end of the length adjusting sliding block 43 is clamped in the L-shaped supporting plate 47, the upper end of the L-shaped supporting plate 47 is fixed on the length adjusting support 44 through a screw, and a clamping groove used for clamping the length adjusting sliding block 43 is formed in the lower end face of the L-shaped supporting plate 47.

The working principle of the present invention will be explained below with reference to the accompanying drawings:

the fixed bracket 3 is arranged on the vehicle, one end of the inner column tube 1 is connected with the steering wheel, the other end is connected with the steering gear, when the distance between the steering wheel and a driver needs to be adjusted, the adjusting button can be pressed to control the length adjusting motor 41 to be started, the length adjusting screw 42 rotates to drive the length adjusting slide block 43 to move along the front or rear direction, the length adjusting slide block 43 drives the length adjusting bracket 44 to move along the front or rear direction, the inner column tube 1 is driven by the length adjusting bracket 44 to move along the front or rear direction, so that the distance between the steering wheel and the driver is adjusted, in order to ensure the stability in the adjusting process, the plastic guide strip 45 is matched with the slide rail 441 on the length adjusting bracket 44 through the slide rail 441 on the plastic guide strip 45, and because the plastic guide strip 45 is arranged and fixed in the aluminum shell 2, the plastic guide strip 45 has a guiding effect on the slide rail 441, meanwhile, the bulges 452 processed on the two sides of the plastic guide strip 45 can ensure that the plastic guide strip and the aluminum shell 2 are coordinated more firmly, the baffle 46 at the upper end further ensures the stability of the plastic guide strip in the guide process, and in addition, the movement range of the inner column tube 1 is mechanically limited by the limitation of the limiting bolt 7 in the bolt moving groove 22, so that the dangerous situation caused by the situation of the length adjusting motor 41 is prevented.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a steering column of adjustable length, includes inner tube and aluminium casing, its characterized in that: the aluminum pipe fixing device is characterized by further comprising a fixing support and a length adjusting assembly, wherein the fixing support is arranged below and on two sides of the aluminum shell, the length adjusting assembly comprises a length adjusting motor, the length adjusting motor is fixedly arranged at the tail end of one side of the fixing support through a motor pin shaft, a length adjusting lead screw is connected to an output shaft of the length adjusting motor, a length adjusting slide block is in threaded connection with the length adjusting lead screw, a length adjusting support is sleeved on the length adjusting slide block and penetrates through a support moving groove formed in the side face of the upper end of the aluminum shell, a protruding slide rail is arranged on the length adjusting support, an adjusting support limiting hole and an adjusting support mounting hole are formed in the slide rail, a countersunk head screw is inserted into the adjusting support mounting hole and then is mounted on the inner column pipe, and a limiting bolt is mounted in the adjusting support limiting hole, the head of the limiting bolt is located in a bolt moving groove formed in the upper end of the aluminum shell, a plastic guide strip is slidably mounted on the sliding rail, a cylindrical positioning block is arranged at the upper end of the plastic guide strip, the plastic guide strip is clamped in the aluminum shell and limited by the cylindrical positioning block and a baffle, and the baffle is fixedly mounted at the upper end of the aluminum shell through the bolt.

2. An adjustable length steering column according to claim 1, wherein: the length adjusting sliding block is provided with an arc-shaped upper end part, the length adjusting support is provided with a circular limiting hole, the arc-shaped upper end part of the length adjusting sliding block is arranged in the circular limiting hole of the length adjusting support, and arc positions on two sides of the arc-shaped upper end part are tightly matched with the circular limiting hole.

3. An adjustable length steering column according to claim 1, wherein: the lower end of the length adjusting sliding block is clamped in the L-shaped supporting plate, the upper end of the L-shaped supporting plate is fixed on the length adjusting support through a screw, and a clamping groove used for clamping the length adjusting sliding block is formed in the lower end face of the L-shaped supporting plate.

4. An adjustable length steering column according to claim 1, wherein: the plastic guide strip is n-shaped, bulges are processed on two sides of the plastic guide strip, and reinforcing ribs are obliquely pulled inside the plastic guide strip.

5. An adjustable length steering column according to claim 1, wherein: and a reinforcing rib ring is arranged in the baffle.